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The weight of 10 persons are 50, 30, 40, 30, 60, 70, 80, 40, 50 and 20 kg. Find their average weight.1. 37 kg2. 47 kg3. 57 kg4. 50 kg |
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Answer» Correct Answer - Option 2 : 47 kg Given: weight of 10 persons = 50, 30, 40, 30, 60, 70, 80, 40, 50 and 20 kg Concept: Average weight = Total weight/Total persons Solution: Total weight = 50 + 30 + 40 + 30 + 60 + 70 + 80 + 40 + 50 + 20 ⇒ 470 kg Total persons = 10 Average weight = 470/10 ⇒ 47 kg |
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